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2. Consider the following points: P(0, -2, -3) and Q(-1,2, -4). Let A = PQ and B = 2i - v2j - k. Solve for

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2. Consider the following points: P(0, -2, -3) and Q(-1,2, -4). Let A = PQ and B = 2i - v2j - k. Solve for the required quantities. (a) direction cosines of B (b) the unit vector in the direction of B (c) V2A - B (d) B . A (e) angle between A and B (f) A x B (g) scalar projection of A onto B (h) vector projection of A onto B (i) a vector perpendicular to both A and B

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